Outline is Representative of Size and Shape:
Name Details:
Identified By:  Trevor Peck
Named For:  Cayley, Alberta
Date Identified:  1996
Type Site: 
Point Validity: Valid type

Peck is a distinguished anthropologist who has conducted extensive excavations and studies on the archaeology of Alberta.  This type was defined in a professional publication and has several references.  This is considered a valid type.
Cayley Side Notch
Cluster:
Description of Physical Characteristics and Flaking Pattern:
This is a small triangular side notch point with a flattened cross section.  The blade is primarily straight to very slightly excurvate.  Parallel U shaped notches enter the side of the preform forming a horizontal shoulder and expanded stem.  The stem is as wide as the shoulders and is commonly asymmetrical.  The base ranges from straight to slightly concave.  This point has a random flaking pattern. 
Size Measurements:
Length - 10 to 46 mm (20 mm average),  Blade Width - 7 to 22 mm (12.5 mm average),  Base Width - .3 to 19 mm ( 12.6 average), Neck Width - .7 to 14 mm (8.7 mm average),  Thickness - 1.4 to 7.4 mm (3.3 average) (Peck and Ives, 2001).
Commonly Utilized Material:
Additional Comments:

These points are indistinguishable from Prairie Side Notch points. It has been argued by Peck (2001) that these points are diagnostic of the Old Woman's Phase.
Distribution:
Distribution Comments:

This point is associated with the Old Woman's Phase of Alberta and into Saskatchewan and Montana.  These points are primarily found in southern Alberta, Southern Saskatchewan, and into Montana.
Age / Periods:
Date: 1,250 - 650 B.P.
Cultural Period:Developmental to Classic
Glacial Period: Vandal Minimum to Little Ice Age
Culture:
Phase:Old Woman's Phase
Age Details:
Similar Points:
Athapaskan Side Notch, Cut Bank, Cluny, Irvine, Kamloops, Nanton, Paskapoo, Pekisko, Plains Side Notch, Prairie Side Notch, Stott, Tompkins
Other points in this cluster / Related / Associated Points:
Pictures: 

Pictures Provided By:
Courtesy Trevor Peck of
Archaeological Survey Historic Resources Management Branch, Government of Alberta

 Cayley Projectile Point, Cayley Arrowhead
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References: (See Reference Page, Entry Number):

197